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Facile Fabrication of N-Doped TiO2 Nanoparticles/Carbon Composite with Excellent Electrochemical Properties for Lithium Ion Batteries

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A promising anode material for lithium-ion batteries (LIBs) consisting of ultrafine N-doped TiO2 nanoparticles and N-doped carbon composite has been prepared by an effective sol–gel-calcined strategy. The synergetic effect between N-doped TiO2 nanoparticles and N-doped carbon provides not only high conductivity paths and strong electron contact interface, but also supply a large surface area along with hindering the nanoparticles aggregation, resulting in excellent lithium-storage performance. When tested as an anode material for LIBs, a high capacity of 292.7 mAh g−1 can be retained after 50 cycles at 0.5 C. Even at 8 C, a satisfactory capacity of 160.3 mAh g−1 can be delivered. These features suggest the N-doped TiO2/C composite a viable choice for application as an anode material in high-power LIBs.
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Keywords: Carbon; Composite; Lithium Ion Batteries; N-Doping; TiO2

Document Type: Research Article

Affiliations: 1: Xinjiang Shihezi Vocational Technical College, Shihezi 832000, China 2: Xinjiang Uyghur Autonomous Region Product Quality Supervision and Inspection Institute, Urumqi 830011, China 3: Kashgar Center for Disease Control and Prevention, Kashgar 844000, China

Publication date: April 1, 2020

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  • Journal for Nanoscience and Nanotechnology (JNN) is an international and multidisciplinary peer-reviewed journal with a wide-ranging coverage, consolidating research activities in all areas of nanoscience and nanotechnology into a single and unique reference source. JNN is the first cross-disciplinary journal to publish original full research articles, rapid communications of important new scientific and technological findings, timely state-of-the-art reviews with author's photo and short biography, and current research news encompassing the fundamental and applied research in all disciplines of science, engineering and medicine.
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